You should avoid fatty and spicy foods. In addition to this, stay away from caffeinated and carbonated drinks as well as chocolate which can cause heartburn. These foods can increase the production of stomach acid.
Eat light meals regularly
Granted, your cravings for food may be over the roof. However, if you eat big to cushion your cravings, you are opening the door for heartburn. Eating light meals round the clock will prevent acid production and morning sickness.